a1e9e54bbc 
								
							 
						 
						
							
							
								
								Add lookup-external from recent S48 (it's already described in the manual).  
							
							
							
						 
						
							2002-11-07 09:43:29 +00:00  
				
					
						
							
							
								 
						
							
								3c07ebb50f 
								
							 
						 
						
							
							
								
								PROTECT-PORT-OP saves the return value of CLOSE so better return (if #f #f) than (values).  
							
							
							
						 
						
							2002-09-11 14:38:56 +00:00  
				
					
						
							
							
								 
						
							
								e3d6f985fc 
								
							 
						 
						
							
							
								
								Put back an accidentally elided ELSE branch in PLACEHOLDER-SET!  
							
							
							
						 
						
							2002-09-06 14:11:36 +00:00  
				
					
						
							
							
								 
						
							
								ac343ba970 
								
							 
						 
						
							
							
								
								Replace Martin's implementation of selective blocking by the one in  
							
							... 
							
							
							
							Scheme 48 1.0.1.
Namely, instead of associating a list of queues with every thread, we
associate a single cell, holding the thread.  That cell is stored in
thread queues, and once a thread is made runnable again, the cell is
set to #f.  The thread-queue accessors ignore cells containing #f.
Implement an experimental OBTAIN-LOCK-MULTIPLE to test the whole
thing. 
							
						 
						
							2002-08-16 14:11:50 +00:00  
				
					
						
							
							
								 
						
							
								ea31d95dbc 
								
							 
						 
						
							
							
								
								All the SRFIs from S48 0.57.  
							
							
							
						 
						
							2002-04-04 08:44:49 +00:00  
				
					
						
							
							
								 
						
							
								baf1dbbf76 
								
							 
						 
						
							
							
								
								Pass optional arguments from FORK-THREAD to SPAWN.  
							
							
							
						 
						
							2002-02-04 11:34:17 +00:00  
				
					
						
							
							
								 
						
							
								136e313af7 
								
							 
						 
						
							
							
								
								New implementation of (no-inheritance) thread-local cells and thread  
							
							... 
							
							
							
							fluids.
New implementation of syslog.
Both are to be compatible with what's actually probably going into
Scheme 48. 
							
						 
						
							2001-12-03 15:21:46 +00:00  
				
					
						
							
							
								 
						
							
								59bd2ab6e4 
								
							 
						 
						
							
							
								
								Peek on char-source-input-ports does not work. Added error message to report this.  
							
							
							
						 
						
							2001-10-05 16:25:41 +00:00  
				
					
						
							
							
								 
						
							
								569dbe6649 
								
							 
						 
						
							
							
								
								Bug fix by Richard for finite types used within macros.  
							
							
							
						 
						
							2001-07-09 14:15:51 +00:00  
				
					
						
							
							
								 
						
							
								8f02923726 
								
							 
						 
						
							
							
								
								Added thread-fluids which are a cross between thread cells and fluids.  
							
							... 
							
							
							
							They encapsulate thread-local state and have a binding construct
analogous to LET-FLUID. 
							
						 
						
							2001-05-28 13:44:48 +00:00  
				
					
						
							
							
								 
						
							
								9b4bb8a19d 
								
							 
						 
						
							
							
								
								Adapted some of Richard's changes for char-ready? and output-port-ready?.  
							
							
							
						 
						
							2001-03-23 10:59:07 +00:00  
				
					
						
							
							
								 
						
							
								606245fc41 
								
							 
						 
						
							
							
								
								*** empty log message ***  
							
							
							
						 
						
							1999-09-14 12:45:02 +00:00